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Why Do Doctors Wear Green or Blue Clothes During The operation?

You all have seen doctors wearing green or blue clothes in the hospital or in  movies or in web series.Usually,doctors wear such clothes during the operation.


But have you ever thought that why do doctors wear blue or green clothes during all the operations?Why not any othe colour?Let's Know !

Before the twentieth century, hospital clothes or scrubs, used to be white.. to denote cleanliness.But later the colour was changed to green. 

Red-green colour lie on opposite side of the colour wheel.That means there is no such colour as reddish-
green or greenish-red, unlike a bluish-green colour (according to Opponent Process Theory of Colour Vision).The brain interprets colours relative to each other, so the contrast between red and green makes it easier to look out for blood oozing out during a surgery.

Also continuously looking at red can lead to distracting green illusion on white surface and desensitizes the cones in the eye (cells responsible for colour vision), so looking at green scrubs during the surgery preserves the sensitivity of the eye to red.

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